Closure for an underwire brassiere



FIG. 1 is a front elevational view of a closure for an underwire brassiere showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left-side elevational view thereof, the right-side being mirror symmetrical thereto;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

The broken line showing of brassiere straps, in FIGS. 1-3, is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a closure for an underwire brassiere, as shown and described. 